<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="2">
        <el-col :span="10"
          ><el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @change="getUserList"
          >
            <el-button
              @click="getUserList"
              slot="append"
              icon="el-icon-search"
            ></el-button> </el-input
        ></el-col>
        <el-col :span="4"
          ><el-button type="primary" @click="dialogVisible = true"
            >添加新用户</el-button
          ></el-col
        >
      </el-row>
      <el-table :data="userlist" border stripe>
        <el-table-column type="index" label="#"> </el-table-column>
        <el-table-column prop="username" label="用户名"> </el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色名"></el-table-column>
        <el-table-column prop="mg_state" label="状态">
          <template slot-scope="scope">
            <!--slot-scope 作用郁插槽 -->
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button
              @click="showEditDialog(scope.row.id)"
              type="primary"
              size="mini"
              icon="el-icon-edit"
            ></el-button>
            <el-button
              @click="showDeleteDialog(scope.row.id)"
              type="danger"
              size="mini"
              icon="el-icon-delete"
            ></el-button>
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
              ><el-button
                @click="setRole(scope.row)"
                type="warning"
                size="mini"
                icon="el-icon-setting"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <el-dialog
      title="添加用户"
      :visible.sync="dialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="100px"
      >
        <el-form-item label="用户名" prop="username">
          <!-- prop定义校验规则 -->
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 以下为修改用户对话框 -->
    <el-dialog
      title="修改用户数据"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 添加角色 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%" 
    >
      <div>
        <p>当前用户:{{ userInfo.username }}</p>
        <p>当前角色:{{ userInfo.role_name }}</p>
        <p>
          分配角色:
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo()"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    const checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) return cb()
      cb(new Error('请输入合法邮箱'))
    }
    const checkMobile = (rule, value, cb) => {
      const regMobile =
        /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) return cb()
      cb(new Error('请输入合法手机号码'))
    }
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2,
      },
      userlist: [],
      userInfo: {},
      rolesList: [], //所以角色数据列表
      selectedRoleId:'',
      total: 0,
      dialogVisible: false,
      editDialogVisible: false,
      setRoleDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
      },
      editForm: {}, //修改数据时存储所点击数据项的数据
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { max: 16, min: 3, message: '用户名长度3-16', trigger: 'blur' },
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { max: 16, min: 3, message: '用户名长度3-16', trigger: 'blur' },
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入电话', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' },
        ],
      },
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入电话', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' },
        ],
      },
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      })
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg)
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(this.userlist)
    },
    // 监听pagesize改变
    handleSizeChange(newSize) {
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码改变
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关
    async userStateChanged(userInfo) {
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('数据更新失败')
      }
      this.$message.success('更新状态成功')
    },
    addDialogClosed() {
      //监听添加对话框关闭
      this.$refs.addFormRef.resetFields()
    },
    editDialogClosed() {
      //监听修改对话框关闭
      this.$refs.editFormRef.resetFields()
    },
    addUser() {
      //监听添加用户确认键
      this.$refs.addFormRef.validate(async (valid) => {
        console.log(valid)
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) return this.$message.error('添加用户失败')
        this.$message.success('添加用户成功')
        this.dialogVisible = false
        this.getUserList()
      })
    },
    editUser() {
      //监听添加用户确认键
      this.$refs.editFormRef.validate(async (valid) => {
        console.log(valid)
        if (!valid) return
        const { data: res } = await this.$http.put(
          `users/${this.editForm.id}`,
          { email: this.editForm.email, mobile: this.editForm.mobile }
        )
        if (res.meta.status !== 200) return this.$message.error('修改信息失败')
        this.$message.success('修改信息成功')
        this.editDialogVisible = false
        this.getUserList()
      })
    },
    async showEditDialog(id) {
      this.editDialogVisible = true
      const { data: res } = await this.$http.get(`users/${id}`)
      if (res.meta.status !== 200)
        return this.$message.error('查询用户数据失败')
      this.editForm = res.data
    },
    showDeleteDialog(id) {
      console.log(id)
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(async () => {
          const { data: res } = await this.$http.delete(`users/${id}`)
          if (res.meta.status !== 200)
            return this.$message({
              type: 'error',
              message: '删除失败!',
            })
          this.$message({
            type: 'success',
            message: '删除成功!',
          })
          this.getUserList()
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除',
          })
        })
    },
    // 展示分配角色的对话框
    async setRole(userInfo) {
      this.selectedRoleId=''
      this.userInfo={}
      //展示对话框之前获取所以角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200)
        return this.$message.error('获取角色列表失败')
      this.rolesList=res.data
      this.userInfo = userInfo
      this.setRoleDialogVisible = true
    },
    async saveRoleInfo(){ //点击按钮分配角色
      if(!this.selectedRoleId)return this.$message.info('请选择要分配的角色')
      const{data:res}= await this.$http.put('users/'+this.userInfo.id+'/role',{rid:this.selectedRoleId})
      if(res.meta.status!==200)return this.$message.error('修改失败')
      this.$message.success('修改成功')
      this.getUserList()
      this.setRoleDialogVisible=false
    },
  },
}
</script>

<style>
</style>